FR2378968B1 - - Google Patents

Info

Publication number
FR2378968B1
FR2378968B1 FR7702618A FR7702618A FR2378968B1 FR 2378968 B1 FR2378968 B1 FR 2378968B1 FR 7702618 A FR7702618 A FR 7702618A FR 7702618 A FR7702618 A FR 7702618A FR 2378968 B1 FR2378968 B1 FR 2378968B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7702618A
Other languages
French (fr)
Other versions
FR2378968A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to FR7702618A priority Critical patent/FR2378968A1/en
Publication of FR2378968A1 publication Critical patent/FR2378968A1/en
Application granted granted Critical
Publication of FR2378968B1 publication Critical patent/FR2378968B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/1022—Fluid cut-off devices automatically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
FR7702618A 1977-01-31 1977-01-31 Safety valve for high pressure hydraulic or pneumatic system - has annular piston acted on by downstream pressure which opposes spring to hold valve open Granted FR2378968A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7702618A FR2378968A1 (en) 1977-01-31 1977-01-31 Safety valve for high pressure hydraulic or pneumatic system - has annular piston acted on by downstream pressure which opposes spring to hold valve open

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7702618A FR2378968A1 (en) 1977-01-31 1977-01-31 Safety valve for high pressure hydraulic or pneumatic system - has annular piston acted on by downstream pressure which opposes spring to hold valve open

Publications (2)

Publication Number Publication Date
FR2378968A1 FR2378968A1 (en) 1978-08-25
FR2378968B1 true FR2378968B1 (en) 1979-05-11

Family

ID=9186084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702618A Granted FR2378968A1 (en) 1977-01-31 1977-01-31 Safety valve for high pressure hydraulic or pneumatic system - has annular piston acted on by downstream pressure which opposes spring to hold valve open

Country Status (1)

Country Link
FR (1) FR2378968A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725035Y2 (en) * 1979-04-06 1982-05-31
FR2953536B1 (en) * 2009-12-07 2012-08-03 Lyonnaise Eaux France METHOD AND DEVICE FOR CONNECTING TO A WATER DISTRIBUTION NETWORK
BR102015005289A2 (en) * 2015-03-10 2016-09-13 Ovd Imp Adora E Distribuidora Ltda pressure regulating valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE288716C (en) *
FR1405240A (en) * 1964-03-27 1965-07-09 Utilisation Ration Gaz Improvements to flow restrictors

Also Published As

Publication number Publication date
FR2378968A1 (en) 1978-08-25

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Legal Events

Date Code Title Description
ST Notification of lapse
TP Transmission of property